84479480 has 32 divisors (see below), whose sum is σ = 191052000. Its totient is φ = 33618816.

The previous prime is 84479471. The next prime is 84479489. The reversal of 84479480 is 8497448.

It is an interprime number because it is at equal distance from previous prime (84479471) and next prime (84479489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84479489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 13266.

It is an arithmetic number, because the mean of its divisors is an integer number (5970375).

Almost surely, 2^84479480 is an apocalyptic number.

It is an amenable number.

84479480 is an abundant number, since it is smaller than the sum of its proper divisors (106572520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84479480 is a wasteful number, since it uses less digits than its factorization.

84479480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823 (or 10819 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 84479480 is about 9191.2719467982. The cubic root of 84479480 is about 438.7836239089.

The spelling of 84479480 in words is "eighty-four million, four hundred seventy-nine thousand, four hundred eighty".